Re: Can open Specs

Right said John.
Regards,
Dinesh

On Tue, Mar 5, 2013 at 1:02 PM, John Dammyer <[email protected]> wrote:

> Hi Dinesh,****
>
> ** **
>
> I think that CANOpen is similar to VSCP in the same way that say CANOpen
> is similar to DeviceNet or J1939 or NMEA 2000 or MilCAN  or (place your own
> automation network here).****
>
> ** **
>
> I don’t believe that comparisons are accurate or help in understanding a
> protocol you are trying to learn.  The problem is that if everything you
> read is referenced back to whether it’s the same or different from X you
> miss the ‘why’ of the design.****
>
> ** **
>
> It’s easy to fall into the trap of the self-taught ‘expert’ busy trying to
> teach themselves something new.  The trap is that you don’t know what you
> don’t know and that makes it difficult to decide what you need to learn.**
> **
>
> ****
>
> It’s a subtle detail but I don’t believe there’s any value in knowing or
> understanding VSCP or J1939 in order to learn about CANOpen.  And in fact
> it can get in the way.****
>
> ** **
>
> John Dammeyer.****
>
> ** **
>
> *From:* [email protected] [mailto:
> [email protected]] *On Behalf Of *Dinesh Guleria
> *Sent:* March-04-13 10:53 PM
> *Cc:* [email protected]
> *Subject:* Re: [CANLIST] Can open Specs****
>
> ** **
>
> Hi,****
>
> Last few days i was going through the specification of CANopen its almost
> similar to VSCP with little diffrence.
> Now i just want to check how stack for can open is implemented at s/w
> level. ****
>
> I was looking for an canOPEN open stack for AVR & reached here CANfestiva.
> Is it right one ?****
>
>
>
> https://bitbucket.org/christianIca/canfestival-3-ica/src/438a979fda5d/examples/AVR/Slave?at=default
>
> https://bitbucket.org/christianIca/canfestival-3-ica/src/438a979fda5d/examples?at=default
> ****
>
> 1> To use this stack do we have to write our own driver & call following
> function :---
> canInit(CAN_BAUDRATE);   ****
>
> 2> Also example for AVR is slave device. Where is the master here ?
>    Do we have to implement it in GUI.****
>
>
> Did Anyone tried it ?****
>
> Best Regards/Mit Freundlichen Grüßen,,****
>
> Dinesh****
>
> On Thu, Feb 21, 2013 at 5:02 PM, Dinesh Guleria <[email protected]>
> wrote:****
>
> Thanks, Just got it.****
>
> ** **
>
> Best Regards/ Mit freundlichen Grüßen,****
>
> ** **
>
> Dinesh****
>
> ** **
>
> On Thu, Feb 21, 2013 at 4:01 PM, Heinz-Jürgen Oertel <
> [email protected]> wrote:****
>
> Am Donnerstag 21 Februar 2013, 11:28:10 schrieb Dinesh Guleria:****
>
> > Hi,
> >
> > I do not no when specification will be dispatched. Some-one have kept it
> in
> > sharing.
> >
> > http://www-csr.bessy.de/control/Hard/fieldbus/CAN/CiA/Bessy/DS301.pdf***
> *
>
> This is not the latest one, but OK for a beginner.
> If you don't use it to implement something but only for first studies
> I think it's OK to start with.
>
> Regards
>    Heinz****
>
> --
> Archives and useful links: http://groups.yahoo.com/group/CANbus
> Subscribe and unsubscribe at www.vector.com/canlist/
> Report any problems to <[email protected]>****
>
> ** **
>
> ** **
>